Disabling serial communications using the display

You can disable serial communications ports (COM1 or COM4)through the display.

Disabling unused ports is considered a cybersecurity best practice to help minimize unauthorized access to your meter.

  1. Press the Home button.
  2. Navigate to Setup Menu > Communications Setup.
  3. Press Select.
  4. Scroll then select COM1 Setup or COM4 Setup.
  5. Press the navigation icon to scroll and select Protocol.
  6. Press Edit. Enter user credentials if prompted.
  7. Press the down icon and select None to disable the port.
  8. Press Select when you are finished. If prompted, press Select again to accept the changes.
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